Who first realised you could milk a cow and what did they dream up they be doing?
Answer:
I think the answer is comfortable. In the wild they would enjoy observed the calf's suckling - a big clue or what?
They would have also hunted and kill animals which suckle young. Whilst dismembering the carcass they would have discovered the contents of the udder etc etc
They be probably having sex next to the cow and they probably freaked out when they saw the milk...
Probably some dirty girl, who'd enjoyed sucking c0ck for a while saw a cow next to several and thought in for a penny, contained by for a pound... Game on!
Or
After watching a calf suckle on it's mother and a baby human breat nurture, they thought they'd try extracting and trying cows milk.
YEEEEEEEEE I WANNA KNOW ASWELL